By 3055 it was still assigned to the command company, though instead of carrying a BattleMech battalion like a regular Overlord, the 3055 Chieftain was assigned to a combined force consisting of altogether 15 'Mechs, 2 aerospace fighters, one battlearmor squad/point (5 individual battlearmor troopers), and 5 ground vehicles.[3] This seems to suggest the Chieftain was either modified, or replaced by a differently configured vessel.